ADWA AD331 Professional Conductivity(EC)-Temperature Portable Meter with GLP

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Auto-Ranging feature that sets the instrument to the scale with the highest resolution; Built in memory and GLP (Good Laboratory Practice)

  • Parameters: EC(Conductivity), Temperature
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Description

AD331 is a waterproof portable meter that reads Conductivity in 5 ranges and temperature. The auto ranging feature of the EC range automatically sets the instrument to the scale with the highest resolution. Measurements are compensated for temperature effect automatically (ATC) or manually (MTC). It is also possible to disable the temperature compensation feature to measure the actual conductivity. The temperature coefficient is user selectable. This instrument also features a measurement stability indicator, GLP capability, and a user selectable ID code to uniquely identify the instrument.

EC Specifications

EC range

0.00 to 19.99 μS/cm | 20.0 to 199.9 μS/cm | 200 to 1999 μS/cm | 2.00 to 19.99 mS/cm | 20.0 to 199.9 mS/cm

EC Resolution

0.01 μS/cm | 0.1 μS/cm | 1 μS/cm | 0.01 mS/cm | 0.1 mS/cm

EC Accuracy (@25ºC/77ºF)

±1% f.s.

EC Calibration

Offset 0.0 μS/cm; Slope: 1 point with 6 memorized standards (84.0, 1413 μS/cm; 5.00,12.88, 80.0, 111.8 mS/cm) or one custom value

Temperature Compensation

ATC/MTC, -9.9 to 120.0°C

Temperature Specifications

Temperature Range

-9.9 to 120.0°C

Temperature Resolution

0.1°C

Temperature Accuracy

±0.5°C

Additional Specifications

Electrode/Probe

AD76309 - Stainless steel, 4-ring EC/TDS/Temperature probe with DIN connector and 1 m cable

GLP

Yes (With time stamp)

Memory

Log-on-demand: Up to 250 samples

Hold Function

Yes

Low Battery Indication

Yes

Auto Shutt-off

User selectable: 5 minutes or disabled

Battery Type / Life

4 x 1.5V AA batteries / Approx. 200 hours of continuous use

Dimensions

188 x 96 x 70 mm

Weight

460 g

Ordering Information

Adwa AD331 is supplied with AD76309 - Conductivity probe with built-in temperature sensor; AD70031 - 1413 μS/cm calibration solutions in sachet (20 ml); AD70030 - 12.88 mS/cm calibration solutions in sachet (20 ml); Wrist strap; Batteries (4 x 1.5V, AA alkaline); Instruction manual

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